兼容ie ff div 层 打开+关闭+ 拖动+遮罩+移动+动画改变高宽_javascript技巧

1 拖动+遮罩+移动+改变元素大小

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>popper.w's code</title> <style type="text/css"> body{text-align:center} #dd{ margin:50px auto} #odiv{ width:400px; height:200px;border:1px dotted red; border:1px dashed green;} #odiv ul{ list-style:none; text-align:left; width:150px; font-size:11px;} #odiv ul li{height:25px; line-height:25px; border-bottom:1px dashed green;} #ho{ width:150px; height:150px; border:1px dotted red} </style> <script type="text/javascript"> function $ (o) { return document.getElementById(o); } function XCreateElement(tagName,tagParent,attrs) { if(tagName&&arguments.length<2){tagParent=document.body;} var oTemp=document.createElement(tagName); if(attrs&&attrs.constructor==Object) { for(var o in attrs) { oTemp.setAttribute(o,attrs[o]); } } tagParent.appendChild(oTemp); return oTemp; } function XSetCss(obj,cssArgs){ if(arguments.length==2) { if(cssArgs.constructor==Object){ for(var o in cssArgs) { if(obj.style[o]!="undefiend") { obj.style[o]=cssArgs[o]; } } } if(cssArgs.constructor==Array&&cssArgs.length==2){ obj.style[cssArgs[0]]=cssArgs[1]; } } } function XslideUp(obj,type,mX,num) { if(!type){return;} try{ XSetCss(obj,[type,XgetOffset(obj)[type]-num+"px"]); $("aa").innerHTML=XgetOffset(obj)[type]; if(XgetOffset(obj)[type]>mX){ setTimeout(function(){XslideUp(obj,type,mX,num);},1); } else{ XSetCss(obj,[type,mX]) } } catch(e){} } function XslideDown(obj,type,mX,num) { if(!type){return;} try{ XSetCss(obj,[type,XgetOffset(obj)[type]+num+"px"]); $("aa").innerHTML=XgetOffset(obj)[type]; if(XgetOffset(obj)[type]<mX){ setTimeout(function(){XslideDown(obj,type,mX,num);},1); } else{ XSetCss(obj,[type,mX]) } } catch(e){} } function XgetOffset (obj) { return {height:obj.offsetHeight,width:obj.offsetWidth} } /*移动函数*/ /*o:element l: left t:top*/ function Xmove(o,l,t){ o.style.position="absolute"; var a=1; var ol=parseInt(o.offsetLeft); var ot=parseInt(o.offsetTop); var iTimer=setInterval(function(){ if(a==10) { Xtransp(o,"end"); clearInterval(iTimer); } o.style.left=ol+a*(l-ol)/10+"px"; o.style.top=ot+a*(t-ot)/10+"px"; a++; },20); } /* 取消事件冒泡*/ function XcancleBubble(e) { var e = window.event || e; if (e.preventDefault) e.preventDefault(); else e.returnValue = false; } /*设置透明度函数 o: dom 节点 mode: start:设置 开始 end 设置结束 , num: 透明度 1-100 内 整数*/ function Xtransp(o,mode,num){ if(mode=="start"){ if(document.all){ o.style.filter = "Alpha(Opacity="+num+")"; }else{ o.style.opacity = num/100; } } else { if(document.all){ o.style.filter = "Alpha(Opacity=100)"; }else{ o.style.opacity = 1; } } } function Xvisible(obj,start,end,step,interval,callback) { var st = start > end; //步进start st ? start-=step : start+=step; //当start和end的关系发生变化时停止运行 if((start<end ^ st)){ try { obj.style.filter="alpha(opacity="+start+")";//IE obj.style.MozOpacity=start/100;//FF } catch(e){}; setTimeout(function(){visible(obj,start,end,step,interval,callback);},interval); } //执行回调 else callback ? callback() : ""; } var XgetScroll=function(){ return{height:document.documentElement.scrollHeight,top:document.documentElement.scrollTop}; }; function getOffset(evt) { var target = evt.target; if (target.offsetLeft == undefined) { target = target.parentNode; } var pageCoord = getPageCoord(target); var eventCoord = { x: window.pageXOffset + evt.clientX, y: window.pageYOffset + evt.clientY }; var offset = { offsetX: eventCoord.x - pageCoord.x, offsetY: eventCoord.y - pageCoord.y }; return offset; } function getPageCoord(element) { var coord = {x: 0, y: 0}; while (element) { coord.x += element.offsetLeft; coord.y += element.offsetTop; element = element.offsetParent; } return coord; } function getEventOffset(evt) { var msg = ""; if (evt.offsetX == undefined) { var evtOffsets = getOffset(evt); msg={offsetX:evtOffsets.offsetX,offsetY:evtOffsets.offsetY}; } else { msg={offsetX:evt.offsetX,offsetY:evt.offsetY}; } return msg; } function fDragStart(XEle) { switch(fCkBrs()) { case 3: window.getSelection().removeAllRanges(); break; default: XEle.setCapture(); break; } } function fDragEnd(XEle) { switch(fCkBrs()) { case 3: window.getSelection().removeAllRanges(); break; default: XEle.releaseCapture(); break; } } function fCkBrs() { switch (navigator.appName) { case 'Opera': return 2; case 'Netscape': return 3; default: return 1; } } function getOffsete (e,o) { var e=e||window.event; var eSrc=e.srcElement||e.target; if(eSrc!=o){getOffsete(e.offsetParent)} } var DragZindexNumber=10; function Xdrag(obj,odrag){ var ex,xy,tag=0; var odrag=odrag?odrag:obj odrag.style.cursor="move"; if(tag==0){ odrag.onmousedown=function(e) { obj.style.zIndex=DragZindexNumber++; Xtransp(obj,"start") tag=1; var e = e||window.event; ex=e.clientX-obj.offsetLeft; ey=e.clientY-obj.offsetTop; var tempDiv=XCreateElement("div"); XSetCss(tempDiv,{width:obj.offsetWidth+"px", height:obj.offsetHeight+"px", border:"1px dotted red", position:"absolute", left:obj.offsetLeft+"px", top:obj.offsetTop+"px", zIndex:999 }); this.ele=tempDiv; fDragStart(tempDiv); document.body.onmousemove=function(e){ if(tag==1) { var e=e||window.event; XSetCss(tempDiv,{left:e.clientX-ex+"px",top:e.clientY-ey+"px"}) } else{if(!tempDiv==null)tempDiv.parentNode.removeChild(tempDiv)} } tempDiv.onmouseup=function(e) { var e=e||window.event; fDragEnd(tempDiv); obj.style.position="absolute"; Xtransp(obj,"end"); Xmove(obj,tempDiv.offsetLeft,tempDiv.offsetTop); tempDiv.parentNode.removeChild(tempDiv); tag=0; } } } } function Xcover(color,num){/*color:遮罩的背景色 eg: red/#cbcbcb, num:1-100内的整数*/ var cDiv={}; this.color=color; this.num=num; this.start=function(){ cDiv=XCreateElement("div"); XSetCss(cDiv, { position:"absolute", top:"0px", left:"0px", zIndex:2, width:"0px", margin:"0px auto", background:this.color, filter:"Alpha(Opacity="+this.num+")", opacity:this.num/100 }) cDiv.innerText="<h3>双击关闭"; XslideDown(cDiv,"width",getCover().X-25,50); XslideDown(cDiv,"height",getCover().H,30); cDiv.ondblclick=function(){ cDiv.parentNode.removeChild(cDiv); } }; this.stop=function(){ cDiv.parentNode.removeChild(cDiv); }; } function getCover(){ var m={} m.H=screen.availHeight>document.documentElement.scrollHeight?screen.availHeight:document.documentElement.scrollHeight; m.X=screen.availwidth>document.documentElement.scrollWidth?screen.availWidth:document.documentElement.scrollWidth; return m; } </script> <div id="aa"></div> <div id="test"> <h1 id="Just-a-Test">Just a Test</h1> <input type="button" id="test1" value="XslideUp-H"> <input type="button" id="test2" value="XslideDown-H"> <input type="button" id="test3" value="XslideUp-W"> <input type="button" id="test4" value="XslideDown-W"> <input type="button" id="test5" value="Xcover"> <input type="button" id="test6" value="Xmove"> <input type="button" id="test7" value="Xdrag"> </div> <div id="odiv"> <h1 id="什么时候能拖动我啊">什么时候能拖动我啊</h1> <ul> <li>Author:popper.w</li> <li>Email:popper11@126.com</li> <li>QQ:84101340</li> <li>webSite: [url]www.hongwei2008.cn[/url]</li> </ul> </div> <div id="ho"></div> <script type="text/javascript"> $("test1").onclick=function(){ XslideUp($("odiv"),"height",20,10); } $("test2").onclick=function(){ XslideDown($("odiv"),"height",200,10); } $("test3").onclick=function(){ XslideUp($("odiv"),"width",100,10); } $("test4").onclick=function(){ XslideDown($("odiv"),"width",400,10); } var m=new Xcover("yellow",50); $("test5").onclick=function(){ // //Xdrag($("test"),$("dd")); m.start(); // } $("test6").onclick=function(){ Xmove($("ho"),50,100); } $("test7").onclick=function(){ XSetCss($("oTitle"),{height:"30px",lineHeight:"30px",textIndent:"20px",fontSize:"12px",background:"#cbcbcb"}) Xdrag($("ho")) Xdrag($("odiv"),$("oTitle")); } </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]

2 层打开效果

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <style type="text/css"> body{} #main{width:500px; margin:100px; height:500px;border:1px solid red} #test{border:1px solid red;display:none;width:10px;height:10px; background:yellow} </style> <script type="text/javascript"> /* popper.w code class: XopenDiv version: 1.0 date: 2008-5-19 */ </script> <title>Code By popper.w</title> <input type="button" value="点击打开" id="bt"> <input type="button" value="点击关闭" id="bt1"> <div id="main"> <div id="test"></div> </div> <script type="text/javascript"> function $ (o) { return document.getElementById(o); } function XslideDown(obj,type,mX,num) { if(!type){return;} try{ var type1=type=="height"?"marginTop":"marginLeft"; var type2=type=="height"?"top":"left"; XSetCss(obj,[type1,XgetOffset(obj)[type2]+"px"]); XSetCss(obj,[type,XgetOffset(obj)[type]+num+"px"]); if(XgetOffset(obj)[type]<mX){ setTimeout(function(){XslideDown(obj,type,mX,num);},10); } else{ XSetCss(obj,[type,mX]) } } catch(e){} } function XslideUp(obj,type,mX,num) { if(!type){return;} try{ var type1=type=="height"?"marginTop":"marginLeft"; var type2=type=="height"?"top":"left"; XSetCss(obj,[type1,XgetOffset(obj)[type2]+"px"]); XSetCss(obj,[type,XgetOffset(obj)[type]-num+"px"]); if(XgetOffset(obj)[type]>mX){ setTimeout(function(){XslideUp(obj,type,mX,num);},1); } else{ XSetCss(obj,[type,mX]) obj.style.display="none"; } } catch(e){} } function XSetCss(obj,cssArgs){ if(arguments.length==2) { if(cssArgs.constructor==Object){ for(var o in cssArgs) { if(obj.style[o]!="undefiend") { obj.style[o]=cssArgs[o]; } } } if(cssArgs.constructor==Array&&cssArgs.length==2){ obj.style[cssArgs[0]]=cssArgs[1]; } } } function XgetOffset (obj) { return { height:obj.offsetHeight, width:obj.offsetWidth, top:parseInt((obj.parentNode.offsetHeight-obj.offsetHeight)/2), left:parseInt((obj.parentNode.offsetWidth-obj.offsetWidth)/2) } } function XopenDiv(o){ o.style.display="block"; XslideDown(o,"width",400,10); XslideDown(o,"height",400,10); } function XcloseDiv(o){ XslideUp(o,"width",10,10); XslideUp(o,"height",10,10); } $("bt").onclick=function(){ XopenDiv($("test")) } $("bt1").onclick=function(){ XcloseDiv($("test")) } </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]